/* get list of offered payload types
* if list ist empty, the FR V1 is selected */
select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
- /* if no given payload type is supported, we assume */
+ /* if no given payload type is supported, we select from channel type */
if (!payloads) {
- media_types[0] = MEDIA_TYPE_GSM;
- payload_types[0] = PAYLOAD_TYPE_GSM;
- payloads = 1;
+ switch (mncc->lchan_type) {
+ case GSM_LCHAN_TCH_F:
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ break;
+ case GSM_LCHAN_TCH_H:
+ media_types[0] = MEDIA_TYPE_GSM_HR;
+ payload_types[0] = 96; /* dynamic */
+ payloads = 1;
+ break;
+ default:
+ mncc = create_mncc(MNCC_REL_REQ, callref);
+ gsm_trace_header(p_interface_name, this, MNCC_REL_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "Given lchan not supported");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
}
/* select first payload type that matches the rtp list */
{
int media_type;
unsigned char payload_type;
+ int half;
+ void *encoder, *decoder;
*payloads = 0;
add_trace("bearer", "capa", "given by MS");
for (i = 0; mncc->bearer_cap.speech_ver[i] >= 0; i++) {
+ half = 0;
/* select payload type we support */
switch (mncc->bearer_cap.speech_ver[i]) {
case 0:
add_trace("speech", "version", "Full Rate given");
media_type = MEDIA_TYPE_GSM;
payload_type = PAYLOAD_TYPE_GSM;
+ encoder = p_g_fr_encoder;
+ decoder = p_g_fr_decoder;
break;
case 2:
add_trace("speech", "version", "EFR given");
media_type = MEDIA_TYPE_GSM_EFR;
payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
break;
case 4:
add_trace("speech", "version", "AMR given");
media_type = MEDIA_TYPE_AMR;
payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
break;
case 1:
add_trace("speech", "version", "Half Rate given");
media_type = MEDIA_TYPE_GSM_HR;
payload_type = dynamic_type++;
+ encoder = p_g_hr_encoder;
+ decoder = p_g_hr_decoder;
+ half = 1;
break;
case 5:
add_trace("speech", "version", "AMR Half Rate given");
media_type = MEDIA_TYPE_AMR;
payload_type = dynamic_type++;
+ encoder = p_g_amr_encoder;
+ decoder = p_g_amr_decoder;
+ half = 1;
break;
default:
add_trace("speech", "version", "%d given", mncc->bearer_cap.speech_ver[i]);
add_trace("speech", "ignored", "Not supported by LCR");
continue;
}
+ if (!half && mncc->lchan_type != GSM_LCHAN_TCH_F) {
+ add_trace("speech", "ignored", "Not TCH/F");
+ continue;
+ }
+ if (half && mncc->lchan_type != GSM_LCHAN_TCH_H) {
+ add_trace("speech", "ignored", "Not TCH/H");
+ continue;
+ }
if (!p_g_rtp_bridge) {
- if (media_type != MEDIA_TYPE_GSM) {
- add_trace("speech", "ignored", "Not suitable for LCR");
+ if (!encoder || !decoder) {
+ add_trace("speech", "ignored", "Codec not supported");
continue;
}
}
/* get list of offered payload types
* if list ist empty, the FR V1 is selected */
select_payload_type(mncc, payload_types, media_types, &payloads, sizeof(payload_types));
- /* if no given payload type is supported, we assume */
+ /* if no given payload type is supported, we select from channel type */
if (!payloads) {
- media_types[0] = MEDIA_TYPE_GSM;
- payload_types[0] = PAYLOAD_TYPE_GSM;
- payloads = 1;
+ switch (mncc->lchan_type) {
+ case GSM_LCHAN_TCH_F:
+ media_types[0] = MEDIA_TYPE_GSM;
+ payload_types[0] = PAYLOAD_TYPE_GSM;
+ payloads = 1;
+ break;
+ case GSM_LCHAN_TCH_H:
+ media_types[0] = MEDIA_TYPE_GSM_HR;
+ payload_types[0] = 96; /* dynamic */
+ payloads = 1;
+ break;
+ default:
+ mncc = create_mncc(MNCC_REJ_REQ, callref);
+ gsm_trace_header(p_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
+ mncc->fields |= MNCC_F_CAUSE;
+ mncc->cause.coding = 3;
+ mncc->cause.location = 1;
+ mncc->cause.value = 65;
+ add_trace("cause", "coding", "%d", mncc->cause.coding);
+ add_trace("cause", "location", "%d", mncc->cause.location);
+ add_trace("cause", "value", "%d", mncc->cause.value);
+ add_trace("reason", NULL, "Given lchan not supported");
+ end_trace();
+ send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_g_delete);
+ return;
+ }
}
#if 0
/* if no given payload type is supported, we reject the call */
if (!payloads) {
- mncc = create_mncc(MNCC_REJ_REQ, callref);
- gsm_trace_header(p_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
- mncc->fields |= MNCC_F_CAUSE;
- mncc->cause.coding = 3;
- mncc->cause.location = 1;
- mncc->cause.value = 65;
- add_trace("cause", "coding", "%d", mncc->cause.coding);
- add_trace("cause", "location", "%d", mncc->cause.location);
- add_trace("cause", "value", "%d", mncc->cause.value);
- add_trace("reason", NULL, "Given speech codec(s) not supported");
- end_trace();
- send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_g_delete);
- return;
}
#endif
}
if (msg_type == GSM_TCHF_FRAME
+ || msg_type == GSM_TCHF_FRAME_EFR
+ || msg_type == GSM_TCHH_FRAME
+ || msg_type == GSM_TCH_FRAME_AMR
|| msg_type == GSM_BAD_FRAME) {
if (port) {
/* inject DTMF, if enabled */
projects / lcr.git / blobdiff